- - Service by us- -1. Give you the specific battery pack within 24hours according to your requirements.2. Professional: Professional technicians offer overall systematic service.3. One-stop battery solution with battery cells, BMS, case and matching charger.4. Beyond customer demand: To think more for customer, do better for customer and make customer more satisfied.5. MOQ: 1 unit is ok for your first battery pack to be tested.6. Warranty: 2years7. Our solutions:

- - About Optimum Battery Co., Ltd. - -1. The approved supplier of Universiade Shenzhen 2011, their 80% lithium battery offered by us.2. As the professional and leading LiFePO4 battery manufacturer in China, we have a capacity of 1.25 MWh per day.3. Established in 2001, Optimum Battery Co., Ltd is high-tech corporation with independent intellectual-property and core technologies, which is specialized in LiFePO4 and NI-ZN battery's R & D, production and management. Adjacent to Shenzhen Grand Industrial Park, and with an occupation about 20, 000 square meters, we have more than 1000 employees and over 50 senior engineers.

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Introducing advanced equipment, OptimumNano has been well-known as one of the professional manufacturers and suppliers of 12v 80ah renewable energy solar lifepo4 batteries. Our batteries are of high safety, high capacity, strong stability and long cycle life. With bulk batteries in stock, we warmly welcome you to buy or wholesale good price battery made in China from us.